A recent study found that over 90% of oral medications contain at least one inactive ingredient capable of causing an adverse reaction. The most common culprits include lactose, peanut oil, and gluten. These ingredients can trigger allergic or gastrointestinal symptoms in sensitive individuals.
Researchers have discovered evidence of a major cosmic impact event in southern Chile, dating back to around 12,800 years ago. The impact is believed to have caused rapid climatic changes, biomass burning, and the extinction of megafauna, with similar effects observed in North America and Western Europe.
Researchers discovered that exosomes carry heart-specific microRNAs from the bloodstream to progenitor cells in the bone marrow, triggering a repair response. This signals can improve cell-based cardiovascular repair after heart attacks.
A new mouse model shows enhancing lymph vessel formation via VEGF-D stimulation in obese adipose tissue has beneficial anti-inflammatory and metabolic effects. This approach may provide a new target for ameliorating the metabolic syndrome associated with obesity.
Researchers have spotted two rings of dust around a young star, suggesting the formation of a planetary system similar to our own. The observations provide clear answers to previous models, with one ring at the asteroid belt location and the other at the Neptune orbit.
Researchers have found that an approved drug can function as a molecular prosthetic, restoring infection-fighting properties in lung tissue and treating cystic fibrosis. The approach bypasses defective proteins and could benefit all types of CFTR mutations.
Researchers used virtual focus groups on Facebook to understand attitudes and behaviors towards HPV vaccination in rural and urban areas. They found that parents in rural areas were more likely to use emotional language and biology-related words, suggesting a need for targeted messaging campaigns.
A Rice University study found that a B12-deficient diet harms nematodes' health, reducing their ability to metabolize branched-chain amino acids and leading to mitochondrial damage. This increase in mitochondrial toxicity also enhances resistance to multiple stressors and pathogens.
Researchers successfully reversed the state of a quantum computer a fraction of a second into the past and calculated the probability of an electron in empty interstellar space spontaneously traveling back into its recent past. The phenomenon occurs due to a random fluctuation in the cosmic microwave background, with the reverse evolut...
A new NIH study identifies distinct brain connectivity and activity patterns in children with anhedonia, a condition characterized by loss of interest in activities. The research may aid in developing targeted treatments for this condition.
A new class of oral cholesterol-lowering drug bempedoic acid has shown effectiveness in reducing LDL cholesterol levels and preventing heart disease. The treatment is well-tolerated, with minimal side effects, making it a potential option for patients unable to take statins.
Researchers employed high-speed lasers to study the mechanisms of H3+ creation and its unusual chemistry. They discovered six potential pathways for H3+ formation and found that certain laser pulses enhance or discourage formation.
Researchers found that serotonin molecules can directly attach to histone proteins in neurons, loosening the DNA spool and enabling more robust gene expression. This discovery has significant implications for understanding brain disorders and developing new treatments.
A new deep-mapping computer model detects visual changes to individual properties, allowing researchers to track gentrification in neighborhoods and cities. The model achieved 95% accuracy in detecting gentrification indicators, revealing detailed maps of spatial evolution of gentrification through time.
A new study found that restrictive abortion laws led to delayed access to care and increased second-trimester abortions in Texas. Women facing barriers were more likely to have second-trimester abortions due to distance, clinic density, and wait times.
New research from University of Wyoming scientists found that hungry moose are less likely to change their behavior to avoid wolves as winter progresses. Moose movements increased in early winter following encounters with wolves, but only when wolves were within a specific distance.
A study published in Vaccine found that introducing Hepatitis B vaccination in preadolescents led to a significant decline in the disease incidence rate from 2.5 per 100,000 people in 1991 to 1.2 per 100,000 people in 2014.
Researchers found that individuals with second- and third-degree relatives who have had Alzheimer's are more likely to develop the disease. Having one first-degree relative and one second-degree relative increases risk by 21 times, while having four first-degree relatives increases risk nearly 15 times.
A global moratorium on heritable genome editing is proposed by a group of international scientists and ethicists due to safety concerns and the need for societal consensus. The proposal aims to establish an international framework and provide time for public discussions before germline editing is permitted.
A study published in the Journal of Neurology, Neurosurgery and Psychiatry found increased connectivity between motor regions and the multimodal integration network in patients with FND. Symptom severity also correlated with increased coupling between the insula and the amygdala, which improved response to treatment.
Researchers found that nilotinib increases dopamine levels by reducing toxic alpha-synuclein protein, allowing normal dopamine release. The study also showed a significant reduction in alpha-synuclein levels and increased TREM-2 activity, indicating an elevated immune response against misfolded proteins.
The study reveals that adolescent health has not kept pace with population growth, with significant increases in obesity, anaemia, and non-communicable diseases. Investments in adolescent health are needed to address these challenges, particularly in low-income countries where adolescents carry a heavy disease burden.
Researchers have discovered a new molecular mechanism involved in premature atherosclerosis in mice with Hutchinson-Gilford progeria syndrome. The study identifies tauroursodeoxycholic acid as a potential therapeutic target that slows the progression of atherosclerosis and extends lifespan in progeroid mice.
A randomized clinical trial found no association between high-dose vitamin D supplementation during pregnancy and the risk of asthma in children at age 6. The study followed 545 children whose mothers received either high-dose or standard-dose vitamin D supplementation.
A new study by Albert Einstein College of Medicine found that 38% of children diagnosed with ASD no longer meet diagnostic criteria, but many continue to struggle with language and learning disabilities, emotional and behavioral problems. Only 3% recovered from ASD with no other issues.
A team of scientists developed a machine learning algorithm that identifies children with juvenile arthritis with nearly 90% accuracy from a simple blood test. The new findings pave the way for improving diagnosis and predicting which patients respond best to different treatment options.
Researchers at Tel Aviv University developed a novel biosensor that can isolate and target leukemic stem cells, the most malignant of all leukemic cells. The sensor uses genetic encoding to identify and characterize these cells, which have high regenerative potential and escape targeted therapies.
A study found that a significant number of patients undergoing lumbar spine fusion had previously undiagnosed low bone density, with 44% diagnosed with osteopenia and 15% with osteoporosis. This discovery could lead to changes in surgical planning and treatment, potentially improving patient outcomes.
David Julian McClements, a renowned expert in nanotechnology, has won the Nicolas Appert Award for his work on functional foods and omega-3 fatty acids. Hang Xiao, a Clydesdale Scholar, received the Babcock-Hart Award for his research on dietary components that prevent chronic diseases.
Researchers have found a way to improve LiCoO2 cathode performance in Li-ion batteries by decorating it with BaTiO3 nanodots. The team discovered that the BTO dots create a special interface for Li ions to circulate easily, leading to improved stability and discharge capacity.
A novel machine-learning model uses artificial neural networks to analyze protein sequence data, providing detailed information on protein structure, function and evolutionary features. The model can be used to design new proteins with desired functions and predict the future sequence evolution of proteins in living organisms.
Researchers suggest that impacts on the side of the head cause vibrations in a structure connected to the corpus callosum, potentially leading to concussion symptoms. Magnetic resonance imaging scans revealed possible damage to the corpus callosum in athletes with concussions.
Scientists at the University of Wisconsin-Madison developed a novel 3D printer that uses patterns of visible and ultraviolet light to dictate which monomers are polymerized, yielding multi-material parts. Researchers can now control the material properties by designing digital images that guide the light direction.
The European Commission has awarded €1 million in funding to the LifeTime initiative, a six-year research project that will integrate single-cell methods, personalized organoids, and machine learning to understand human cells when diseases develop. The goal is to fundamentally improve patient care and set the basis for precision medicine.
Research by the Princeton Plasma Physics Laboratory and international team of scientists shows that twisted magnetic fields have a limited number of possible evolutions, leading to the formation of a torus shape. The helicity of the twist constrains the outward expansion of plasma, resulting in a self-organized structure.
New insights into Earth's core chemical make-up were gained through extreme laboratory experiments, revealing the presence of silicon alongside iron and nickel. The discovery supports existing theories on planet formation driven by meteorite interactions, shedding light on the Earth's 4.5 billion-year-old history.
A new experimental drug, 673A, targets and annihilates stem-like ovarian cancer cells that cause recurrence. The treatment, combined with chemotherapy, resulted in significantly greater survival rates in a mouse model of ovarian cancer.
A team of researchers has developed an individual-based computer model to assess the dispersal potential of juvenile little owls from Germany to suitable habitats in northern Switzerland. Key findings include inter-individual and sexual behavioral differences among juvenile little owls, with females tending to move more directionally.
Human cells can now travel more than five times faster than previously documented by slingshotting themselves forward, according to University of Michigan researchers. This new method of cell movement could be involved in the spread of cancer and potentially harnessed for tissue repair therapies.
A new study published in The Lancet found that most deaths among children aged 5-14 in these countries are caused by preventable or treatable conditions. The researchers called for a broader set of interventions to reduce deaths, particularly in sub-Saharan Africa.
The Lancet report highlights the alarming rise in adolescent disease burden worldwide, with an additional 250 million adolescents living in multi-burden countries. The prevalence of obesity, anaemia, and child marriage has increased significantly between 1990 and 2016, posing a major threat to their health and wellbeing.
Researchers use fMRI to compare brain activity in humans and robots during conversation. Human dialogue activates key brain structures involved in social bonding, unlike robot interactions.
SourceCNRS·JournalPhilosophical Transactions of the Royal Society of London (B )·DateMar 12, 2019
A study published in Mayo Clinic Proceedings found that physical activity can significantly reduce mortality risk in older adults with cognitive frailty. The research, which followed 3,677 participants for 14 years, revealed that being physically active lowered the risk by 36% compared to inactive individuals.
A nationally representative study found that teenagers and young adults are more likely to use fruit- and candy-flavored e-cigarettes than their adult counterparts. The study also revealed that adolescent vapers were more likely to experiment with multiple flavor types, which may be a key factor in their vaping habits.
A double-blind controlled trial of TNS found significant reductions in ADHD symptoms and associated improvements in brain functioning. The study, published in the Journal of the American Academy of Child and Adolescent Psychiatry, suggests that TNS has great potential as an additional option for managing ADHD.
SourceElsevier·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateMar 12, 2019
Researchers at UVA have discovered a new potential contributor to age-related hearing loss: the cuticular plate, a foundation for hair cells. Genetic predisposition can weaken this plate over time, leading to progressive hearing loss.
FSU researchers have uncovered a novel protein degradation pathway that may lead to better understanding of muscular dystrophy and other diseases. The study, led by FSU graduate student Bailey Koch, found that an enzyme responsible for breaking down a key protein linked to these conditions is essential to cellular processes.
Purdue University engineers have created a way to secure communication signals within the human body, using low-frequency carrier-less transmission to prevent interception. This technology enables covert communication channels, making it difficult for hackers to access sensitive information.
A new paper proposes that miniaturization is a central tendency in hominin technologies going back at least 2.6 million years. The researchers argue that tiny stone flakes were like disposable razor blades or paperclips, pervasive and easily replaced.
A global team of scientists has mapped a newborn's life development in unprecedented detail, revealing thousands of changes over the first week. This breakthrough study could transform our understanding of health and disease in babies, and inform the development of optimized protective measures, including vaccines.
The University of Texas at San Antonio's Biomedical Engineering Research for Active military and Veterans (BRAVe) program aims to engage and retain undergraduate students in research projects, including tissue regeneration and non-invasive recovery. The program, funded by a $352,414 NSF award, will pair participants with faculty mentor...
A new species of frog, Astrobatrachus kurichiyana, has been discovered in the Western Ghats mountain range in southern India, revealing a window into the region's deep history. The Starry Dwarf Frog shares ancestry with two existing subfamilies but exhibits divergent characteristics.
Researchers discover gene TIA1 helps the brain keep fearful memories in check, reducing PTSD-like behavior in female mice. The study highlights key role of TIA1 in essential biological processes and offers promising new target for combating PTSD.
A longitudinal study by psychologists at the University of Jena found that proximity to emotionally important people is crucial for creating a strong regional identity. The research suggests that moving away from such social contacts can lead to dissatisfaction and a loss of sense of belonging.
A study published in the Journal of Arthroplasty found that intravenous and oral acetaminophen work equally well to manage post-surgery pain after hip replacement. The researchers tested both forms as part of a multimodal analgesia protocol, with patients showing low pain scores and minimal side effects.
A new study found that non-contrast MRI is just as effective as contrast-enhanced MRI for monitoring disease progression in MS patients. The study used image subtraction techniques to detect newly occurring lesions with high sensitivity.
Researchers tested large-area perovskite solar cells in near space at an altitude of 35 km, demonstrating their ability to retain power conversion efficiency despite extreme conditions. The study found that a device based on FA0.81MA0.10Cs0.04PbI2.55Br0.40 retained 95.19% of its initial efficiency.
The article discusses the importance of diversity in science, highlighting how underrepresented groups' voices are enriching scientific knowledge. Scientists from diverse backgrounds challenge existing perspectives on race, sex, and gender, promoting a more complete understanding of human and nonhuman diversity.
Researchers found a fine haze of cosmic dust over Mercury's orbit, forming a ring some 9.3 million miles wide. They also identified the likely source of dust at Venus' orbit: a group of never-before-detected asteroids co-orbiting with the planet.
A team of international scientists used big data analysis to study how neurons communicate with each other in the brain, identifying patterns related to memory and discovering major proteins responsible for changes observed in neurons.